PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/12-00:27:50
G08     271.7          20.4                7.5 +/-    1.33      16.3 +/-    1.33  0.130 / 0.200
G10     50.5           60.2                7.3 +/-    0.69       8.3 +/-    0.69  0.110 / 0.280
G14     254.2          61.7                7.9 +/-    1.35       8.9 +/-    1.35  0.040 / 0.050
G18     314.7          27.7                6.4 +/-    2.03      11.8 +/-    2.03  0.040 / 0.050
G20     89.4           40.5                6.1 +/-    0.86       8.8 +/-    0.86  0.330 / 0.220
G21     153.7          21.0                8.4 +/-    1.50      18.1 +/-    1.50  0.160 / 0.330
G24     41.1           12.1                5.2 +/-    1.05      13.9 +/-    1.05  0.030 / 0.030
G27     237.1          20.0                9.4 +/-    2.23      20.7 +/-    2.23  0.030 / 0.020
G31     178.9          25.1                9.2 +/-    1.95      17.9 +/-    1.95  0.130 / 0.210
G32     321.4          76.2                7.6 +/-    0.51       7.8 +/-    0.51  0.160 / 0.250